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Note 1 - Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2022
Notes Tables |
Schedule of Asset Retirement Obligations [Table Text Block] |
|  | Year Ended December 31, |
|  | 2022 |  |  | 2021 |
Balance, beginning of year |  | $ | 14,125 |  |  | $ | 16,277 |
Merom acquisition |  |  | 7,230 |  |  |  | — |
Freelandville addition |  |  | 1,631 |  |  |  |  |
Accretion |  |  | 1,010 |  |  |  | 1,504 |
Change in estimate |  |  | — |  |  |  | (3,510 | )
Payments |  |  | (3,162 | ) |  |  | (146 | )
Balance, end of year |  |  | 20,834 |  |  |  | 14,125 |
Less current portion |  |  | (3,580 | ) |  |  | (100 | )
Long-term balance, end of year |  | $ | 17,254 |  |  | $ | 14,025 |

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- Definition Tabular disclosure of the carrying amount of a liability for asset retirement obligations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 + Details
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